You can choose Custom HTML to add the HTML code (including javascript) for many outside services that offer widgets or embed code. For example, using the Custom HTML field, you can install a youtube video, a Slideshare presentation, an Eventbrite event, a Facebook page widget, and more... To do so, check to see if the service you are using offers embed code or a widget and install the code into the Custom HTML field.

You can also link to another site using an iframe, add your own text, and include multiple images. For these installations, you'll need to know a bit of HTML.

If you're getting the HTML code from a website and are given the option between http and https protocol, use the https option in order to ensure that the widget or embed shows in the ad unit.

Using the Paper.li News Page App on your WIX site? All layout and color controls are found by accessing your WIX page settings. Click anywhere on the body of your Newspaper to see Settings button, shown below. From there, you can edit the text color, choose a font, and choose a general color scheme. However, WIX does not allow you to add custom ads.

What to read next? Now read this article for even more ideas on how to use your ad space.